import Vue from 'vue'
import Vuex from 'vuex'
import state from './state'
import mutations from './mutations'

Vue.use(Vuex)
export default new Vuex.Store({
  state,
  // { //公共数据
  //   city: defaultCity
  // },
  // actions: {
  //   changeCity (ctx, city) {
  //     ctx.commit('changeCity', city) //调用mutations
  //   }
  // },
  mutations,
  getters: { //类似于组件的computed属性
    doubleCity (state) {
      return state.city + ' ' + state.city
    }
  }
})